Come and see our amazing products. This travel straws are made of high quality food-grade 304 stainless steel, Everything in the package does not contain any plastic or glue, all materials can be reused, which helps to reduce our dependence on plastic straws, reduce environmental pollution and waste, in order to have a positive impact. This reusable collapsible straws can easily change length from 4.4" to 9.15", fit for 10-30 oz cups and tumbler. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.